76612861 has 8 divisors (see below), whose sum is σ = 83137824. Its totient is φ = 70178160.

The previous prime is 76612859. The next prime is 76612919. The reversal of 76612861 is 16821667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76612861 - 2¹ = 76612859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76612861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76612801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20791 + ... + 24196.

It is an arithmetic number, because the mean of its divisors is an integer number (10392228).

Almost surely, 2^76612861 is an apocalyptic number.

It is an amenable number.

76612861 is a deficient number, since it is larger than the sum of its proper divisors (6524963).

76612861 is a wasteful number, since it uses less digits than its factorization.

76612861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45131.

The product of its digits is 24192, while the sum is 37.

The square root of 76612861 is about 8752.8772983517. The cubic root of 76612861 is about 424.7178953709.

The spelling of 76612861 in words is "seventy-six million, six hundred twelve thousand, eight hundred sixty-one".